Firefox Support Forum

From the subject line - I keep getting this error when trying to use Firefox Sync on my Windows 10 desktop. Sync already works on Mac and Android, and I've already verified that I'm using my primary email to login.

I've just had to completely reinstall windows without being able to backup my files (I couldn't launch my computer in order to actually back them up) meaning I've lost my recovery codes. I thought this would be fine as I could just sign back into firefox on this new install of Windows but as it turns out I must've forgotten to put my sign in information into my password manager. Again, I thought this would be okay as I still have access to the email I used to sign up to my firefox sync but I got the message saying I'd lose my data which isn't fine and now I'm at a bit of a loss. I've had to use a spare email to make an account and ask here but I'd really love my old account back. Is there any way at all I can get back into my account without losing my bookmarks and passwords? If not, how much information would I end up actually losing? I'm slightly unclear on that part. Do I lose absolutely everything? I'm a bit stressed about all of this ontop of losing all of my old computer files so I'm sorry if this is a commonly asked question but I was struggling to find anything that helped me D:

Any advice at all would be really appreciated thank you so much!!

The Firefox account settings page displays a list of logged in devices at the very bottom of the page (connected services).

I have verified all logged in devices to be correct. However for one of the devices (my main computer browser), the location displayed is COMPLETELY off. I live in Norway, and it claims device location is somewhere in Oregon, United States. I do not use any VPN services and both my public IPv4 and IPv6 addresses are located in Norway, from which I connect with the device/browser in question (whatismyipaddress.com shows correct location for both of them). Also, activity timestamp is updated in accordance with my own activity from the client, but the location remains wrong. I also tried logging out the device, and logging back in, but this did not fix the location.

Obviously the location service used for the logged in device list is unreliable. I suggest that you please also show the latest IP address used by each device, so that more technically inclined users can verify correct addresses themselves, should the location be way off. It is unsettling to see strange locations (for known devices) on a page used to verify the security of my Firefox account. In this instance, there is no security breach, but it required me to spend much time investigating.

I do not know if it matters, but the device in question is a Linux desktop Firefox client.

Firefox was working 20 minutes ago, I went to fix a different problem I had with downloading and launching origins launcher. Now Firefox only will open to the outline of what you see when opening it up. I am able to open up the top right menu but when i click on something, nothing loads. When i go into type a website in and click enter nothing happens, text is put into the URL but no website shows. I checked my firewalls, Firefox is allowed there. I have access to my bookmarks and everything, but when I click on them to go to their sites, nothing happens either. But when I click on websites the url pops up in white text in the bottom left of the screen. Please help, this is incredibly annoying and I still haven't figured origins yet, lol.

Hi, my machine choked and died on the latest Windows update. I tried every trick I know, but eventually had to admit defeat and nuke'n'boot. Most' 'of my stuff was either backed up or kept on a non-OS drive, but I needed to reinstall Firefox. When I did, I found there is a limit to how many tabs Sync willl display at once from another device. That limit is 1,271 tabs, which is not all of mine - I'm pretty sure I had more than that open in a single one' 'of my seven open windows (though probably only the one window had that many).

Also, with the new Firefox update, while I can open all 1,271 at once, that just leads to Firefox crashing. When similar things happened in the past, I could open, say, fifty at a time, and kill Firefox's process every time it became too much for my computer, then reopen firefox with all those tabs open but not active, however with FF 89 I only seem to be able to open one or all.

To make matters worse, those 1,271 tabs I can see seem to be randomised each time, or at least randomly ordered, so I wouldn't even be able to methodically open all 1,271 with my usual method of killing firefox and reopening it.

Is there any way I can send the 1,271 straight to bookmarks, or open the entire session from the old install, or view more than the 1,271, or open the old synced tabs view, where I could open as many or as few as I wanted to, instead of all or (basically) nothing?

Thanks!

is there a way so i can transfer the sync data to a different profile or change my current account password so i wont lose my sync data? inside my current firefox account i have tons of data i would rather not lost so please tell me a way to keep all my data

I've reinstalled my PC. First thing first I downloaded FF and installed it. Login to Firefox Sync. And it's empty. No history, no tabs, no passwords, everything is gone. I've check that I logged into correct account. And yes I can track many previous emails from this account. Why did Sync lost all data? Is there a history that I can use to restore my lost data? Thanks!

Hi guys, Yesterday when I found that Firefox was updated and reinstall a new version by itself and the problem is that it deleted all old data (passwords, cookies, preferences...) and I did not find the folder "old firefox data" on my desktop. Is there a way to get back all those data please?

Many Thanks

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I'm on Firefox Developer Edition 90.0b12 on Windows 10. There is no option to sync addresses in the sync settings, while the option is there for Firefox Beta 90.0b12.

Firefox continiues to wipe all of my saved password and bookmarks. After fresh windows install, I signed into my account and figured out that all of my bookmarks are gone. It happend for the second time. I have a mobile device running firefox which is lincked to my account. It's also gone there. How can I fix it or restore my data?

After the latest Windows update, I can't sign into Sync, open websites, access my Firefox home, or search my tabs. There is a limited view of tabs upon opening Firefox. UPDATE: the limited tabs are mostly opening. Everything else has not remedied.

I need to Change my primary email address on my Firefox Account. HOWEVER, my old MAIN email address is defunct. The servers have been shut down & I no longer have access to it. I have my secondary email attached but it will not let me change it without sending a code to my old email. PLEASE HELP!

I initially just wanted to get some ad-blocking program to keep down the volume of all the flashing ads showing up on webpages. I'm working with a new laptop computer, and my old laptop had been "tweaked" with some Mozilla extensions (?) to address this, and I wanted to get the same on my new laptop. So I opened the application menu - the 3 horizontal bar icon, top right. First thing at the top, it asks me to sign in. Honestly, I don't think I ever did this. So I used one of the many secondary email addresses I use for this type of thing, put in a password, and created an account. Up popped a screen saying, "This Firefox is connected". Then down below, it said, "Sign in to Firefox on another device to complete set-up". Ugh, really? Ok, fire up the old laptop and open up Firefox and sign in using the same email and password. Here's where I get lost - up pops a screen that says, "Connect another device". Then down below it says, "Open the code scanner on your Firefox app and show code when ready." And there's a "Show Code" button down below this. But I'm hesitant to press it, because I don't know what my code scanner is, I don't have a flatbed scanner (if that's what they're talking about), my phone is broken (part of the reason I have a new laptop today), and I don't see any Firefox apps called "code scanner", and nothing in the help community that I can find about code scanning. So what the hell? I can't be the only person who's gone down this rabbit hole...

I've bought a new Win10 PC to (eventually) replace my old one.

I've signed up for a Mozilla account on the old PC, signed into it from the new PC and the favourites, history etc have come across ok onto the new one. The saved logons however haven't.

How can I get my saved logons to sync across from the old PC to the new one?

My switch from the release version to ESR seemed to go well, but my history and many of my settings and data, including my pinned tabs and extensive notes used by add-ons, were gone. I managed to reconstruct most of them, but was distressed to find that when Fx updated my ESR version those settings were again gone.

I have again restored most of the lost settings (including the one not to automatically update!) but I know I can't defer Fx updates indefinitely, and I also expect I may want to return at some point to the release version--and I desperately don't want to have to reconstruct my settings any more (or at least more than one last time). I'm not concerned about the loss of my history

Since I'm prepared to note all my settings first, starting fresh seems like a viable solution. I just need to know how (unless you can suggest a better option). I'd be happy with either the release or ESR channel.

When I try to reset the primary password, I can get a new password - the only problem is that this new password is not accepted when I try set a new login into a web site. It looks like there are two different passwords: one for "Firefox Accounts" and one for "Firefox Logins". How to reset the latter one when they differ. There is a kind of deadly embrace! Not to forget that the access to the support can be on the same email address with a totally different password.

Is a start from scratch with a completely new profile a possible solution?